package com.cn.controller;

import com.cn.domain.Book;
import com.cn.exception.BusinessException;
import com.cn.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/books")
public class BookController {
    @Autowired
    private BookService bookService;

    @PostMapping
    public Result save(@RequestBody Book book){
        boolean flag = bookService.save(book);
        return new Result(flag?Code.SAVE_OK:Code.SAVE_ERR,flag);
    }

    @PutMapping
    public Result update(@RequestBody Book book){
        boolean flag = bookService.update(book);
        return new Result(flag? Code.UPDATE_OK:Code.DELETE_ERR,flag);
    }

    @DeleteMapping("/{id}")
    public Result delete(@PathVariable Integer id){
        boolean flag = bookService.delete(id);
        return new Result(flag? Code.DELETE_OK:Code.DELETE_ERR,flag);
    }

    @GetMapping("/{id}")
    public Result getById(@PathVariable Integer id){
        //int i = 1/0;
        if(id < 0){
            throw new BusinessException(Code.BUSINESS_ERR,"请不要使用你的技术挑战我的耐性");
        }
        Book book = bookService.getById(id);
        Integer code = book != null? Code.GET_OK : Code.GET_ERR;
        String msg = book != null ? "": "数据查询失败，请重试！";
        return new Result(code,book,msg);
    }

    @GetMapping
    public Result getAll(){
        List<Book> bookList = bookService.getAll();
        Integer code = bookList != null? Code.GET_OK : Code.GET_ERR;
        String msg = bookList != null ? "": "数据查询失败，请重试!";
        return new Result(code,bookList,msg);
    }
    @GetMapping("/search/{name}")
    public Result getByName(@PathVariable String name){
        System.out.println("查询name");
        System.out.println(name);
        List<Book> books = bookService.getByName(name);
        System.out.println(books);
        Integer code = books != null? Code.GET_OK : Code.GET_ERR;
        String msg = books != null ? "": "数据查询失败，请重试！";
        return new Result(code,books,msg);
    }
}
